include/linux/kcore.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * /proc/kcore definitions
   4  */
   5 #ifndef _LINUX_KCORE_H
   6 #define _LINUX_KCORE_H
   7
   8 enum kcore_type {
   9         KCORE_TEXT,
  10         KCORE_VMALLOC,
  11         KCORE_RAM,
  12         KCORE_VMEMMAP,
  13         KCORE_USER,
  14         KCORE_OTHER,
  15         KCORE_REMAP,
  16 };
  17
  18 struct kcore_list {
  19         struct list_head list;
  20         unsigned long addr;
  21         unsigned long vaddr;
  22         size_t size;
  23         int type;
  24 };
  25
  26 struct vmcore {
  27         struct list_head list;
  28         unsigned long long paddr;
  29         unsigned long long size;
  30         loff_t offset;
  31 };
  32
  33 struct vmcoredd_node {
  34         struct list_head list;  /* List of dumps */
  35         void *buf;              /* Buffer containing device's dump */
  36         unsigned int size;      /* Size of the buffer */
  37 };
  38
  39 #ifdef CONFIG_PROC_KCORE
  40 void __init kclist_add(struct kcore_list *, void *, size_t, int type);
  41 static inline
  42 void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz)
  43 {
  44         m->vaddr = (unsigned long)vaddr;
  45         kclist_add(m, addr, sz, KCORE_REMAP);
  46 }
  47 #else
  48 static inline
  49 void kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
  50 {
  51 }
  52
  53 static inline
  54 void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz)
  55 {
  56 }
  57 #endif
  58
  59 #endif /* _LINUX_KCORE_H */